Schneider Electric TM258LF42DT4L Technical Specifications
1. General Information
Model: TM258LF42DT4L

Series: Modicon M258 (Logic + Motion Controller)

Type: Compact PLC with Embedded I/O & Motion Control

Status: Discontinued (Recommended replacement: TM262 series)

2. Processing Performance
CPU: 32-bit ARM Cortex

Instruction Speed: 0.4 µs per Boolean operation

User Memory: 512 KB (for program/data)

Non-volatile Memory: 16 MB Flash (for firmware/backups)

Real-Time Clock: Integrated (battery-backed)

3. Embedded I/O Configuration
Digital Inputs (24x):

Type: 24V DC (sink/source configurable)

Filtering Time: 4 ms (adjustable)

Isolation: Opto-coupled

Digital Outputs (16x):

Type: Transistor (PNP)

Rating: 0.5 A @ 24V DC per point

Min. Load: 100 mA

Analog Inputs (4x):

Resolution: 12-bit

Ranges: 0–10V / 0–20 mA (software-selectable)

Accuracy: ±0.5% FS

Analog Outputs (2x):

Resolution: 12-bit

Ranges: 0–10V / 0–20 mA (software-selectable)

Accuracy: ±1% FS

4. Motion Control
Axes: Up to 4 axes (servo/stepper)

Pulse Output:

Type: Differential (RS422)

Max. Frequency: 500 kHz

Protocols:

CANopen (DS301/DS402)

Modbus RTU (via RS-485)

Motion Function Blocks:

MC_Power, MC_MoveAbsolute/Velocity/Relative

Electronic gearing, camming

5. Communication Interfaces
Ethernet:

10/100 Mbps (Modbus TCP/IP, FTP, Web Server)

Serial Ports:

1 × RS-485 (Modbus RTU/ASCII)

1 × USB Mini-B (programming)

Fieldbus:

Integrated CANopen (1 Mbps max)

6. Expansion Capability
Expansion Bus: TM3/TM4 compatible

Max. Modules: 7

Max. I/O Points: 224 (local + expansion)

7. Power & Environmental
Supply Voltage: 24V DC (±15%)

Power Consumption: 15W (typical), 25W (max)

Inrush Current: 20A (for 5 ms)

Operating Temp.: -20°C to +60°C

Humidity: 5–95% RH (non-condensing)

Protection: IP20 (panel-mounted)

8. Certifications
Safety: UL 508, CSA 22.2 No.142

EMC: EN 61000-6-2/6-4

Environmental: RoHS, REACH

9. Programming
Software:

SoMachine Basic (included)

Machine Expert (advanced features)

Languages:

Ladder (LD), FBD, Structured Text (ST), SFC

Typical Applications
Packaging machines

Conveyor systems

Small robotic cells

Automated assembly lines